import java.util.concurrent.locks.AbstractQueuedSynchronizer;
import java.util.concurrent.locks.ReentrantLock;

/**
 * todo
 *
 * @author luolidong
 * @version 1.0
 * @create 2021-07-27 21:05
 */
public class Test {
    public static void main(String[] args) {
//        ReentrantLock
//        AbstractQueuedSynchronizer
    }
}
